Analyzer
Sentence analysis
11Spans
Sentence
Span Details
忍び
stealth; sneaking; travelling incognito; ninjutsu; ninja; sneak theft; sneak thief; tolerancenoun
を
object markergrammar
極める
take to the limit; pursue to the utmost; reach the end of; reach a peak; be extremely; be at the height of; exhaust completely; use every possible word; leave nothing unsaidichidan verb
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
長年
many years; a long timenoun, adverb
の
possession, attribution, nominalizer, or nominal linkergrammar
修行
training; practice; discipline; study; ascetic practices; Buddhist trainingnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar